By the way the question tells me I must think that it might be perspective because you need a perspective to bring things to life.
Mitosis - My toe sis which is body cells, so when you wear a cast all those dead cells fall off.
Meiosis - Is sex cells. So sperm and egg.
Answer:
They contain symbiotic rhizobia bacteria within nodules in their root systems, producing nitrogen compounds that help the plant to grow and compete with other plants. When the plant dies, the fixed nitrogen is released, making it available to other plants; this helps to fertilize the soil
Because the opposites join together and somtimes make something new
Helium is a real gas also. The only difference I know is that it is inert and does not interact... Same goes with all the Group 8 Noble gases.